A GUPnP security update has been released for Ubuntu Linux 20.04 LTS, 20.10, and 21.04.
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Ubuntu Security Notice USN-4970-1
June 01, 2021
gupnp vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.04
- Ubuntu 20.10
- Ubuntu 20.04 LTS
Summary:
GUPnP could allow unintended access to network services.
Software Description:
- gupnp: framework for creating UPnP devices and control points
Details:
It was discovered that GUPnP incorrectly filtered local requests. If a user
were tricked into visiting a malicious website, a remote attacker could
possibly use this issue to perform actions against local UPnP services such
as obtaining or altering sensitive information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 21.04:
libgupnp-1.2-0 1.2.4-1ubuntu0.21.04.1
Ubuntu 20.10:
libgupnp-1.2-0 1.2.4-1ubuntu0.20.10.1
Ubuntu 20.04 LTS:
libgupnp-1.2-0 1.2.3-0ubuntu0.20.04.2
After a standard system update you need to reboot your computer to make all
the necessary changes.
References:
https://ubuntu.com/security/notices/USN-4970-1
CVE-2021-33516
Package Information:
https://launchpad.net/ubuntu/+source/gupnp/1.2.4-1ubuntu0.21.04.1
https://launchpad.net/ubuntu/+source/gupnp/1.2.4-1ubuntu0.20.10.1
https://launchpad.net/ubuntu/+source/gupnp/1.2.3-0ubuntu0.20.04.2
